package edu.sctu.practice.class02.luohui.assign04;

/**
 * Created by asus on 2015/12/3.
 */
public class StringExample {
    public static void main(String[] args) {
        String s1=new String("You are a student"),
               s2=new String("How are you!");
        if(s1.equals(s2)){
            System.out.println("s1与s2相同");
        }
        else{
            System.out.println("s1与s2不相同");
        }
        String s3=new String("2203219851022024");
        if(s3.startsWith("220302")){
            System.out.println("吉林省的身份证");
        }
        String s4=new String("你"),
               s5=new String("我");
        if(s4.compareTo(s5)>0){
            System.out.println("按字典序s4大于s5");
        }
        else{
            System.out.println("按字典序s4小于s5");
        }
        int position=0;
        String path="c:\\java\\jsp\\A.java";
        position=path.lastIndexOf("\\");
        System.out.println("c:\\java\\jsp\\A.java中最后出现\\的位置:"+position);
        String fileName=path.substring(12);
        System.out.println("c:\\java\\jsp\\A.java中含有的文件名："+fileName);
        String s6=new String("100"),
                s7=new String("123.678");
        int n1=Integer.parseInt(s6);
        double n2=Double.parseDouble(s7);
        double m=n1+n2;
        System.out.println(m);
        String s8=String.valueOf(m);
        position=s8.indexOf(".");
        String temp=s8.substring(position+1);
        System.out.println("数字"+m+"有"+temp.length()+"位小数");
        String s9=new String("ABCDEF");
        char a[]=s8.toCharArray();
        for(int i=a.length-1;i>=0;i--){
            System.out.println(""+a[i]);
        }
    }

}

